From: Christian König <christian.koenig@amd.com>
Date: Tue, 26 May 2015 10:24:15 +0000 (+0200)
Subject: drm/radeon: stop using addr to check for BO move
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~17^2~48^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=161ab658a611df14fb0365b7b70a8c5fed3e4870;p=pandora-kernel.git

drm/radeon: stop using addr to check for BO move

It is theoretically possible that a swapped out BO gets the
same GTT address, but different backing pages while being swapped in.

Instead just use another VA state to note updated areas.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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